Finding the Fourth Proportional to 4,335.07, 5,978.46 and 2,917.57

Step by Step Solution

1. Step 1: Write the proportion equation
   4,335.07 : 5,978.46 = 2,917.57 : x
2. Step 2: Convert to fraction form
   4,335.07/5,978.46 = 2,917.57/x
3. Step 3: Cross multiply
   4,335.07x = 5,978.46 × 2,917.57
4. Step 4: Simplify right side
   4,335.07x = 17,442,575.54
5. Step 5: Solve for x
   x = 17,442,575.54/4,335.07
6. Step 6: Final answer
   x = 4,023.60